Audio controller



FIG. 1 is a top, front, left side perspective view of an audio controller according to the first embodiment of our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a top, front, left side perspective view of an audio controller according to the second embodiment of our new design;

FIG. 9 is a front elevation view thereof;

FIG. 10 is a rear elevation view thereof;

FIG. 11 is a left side elevation view thereof;

FIG. 12 is a right side elevation view thereof;

FIG. 13 is a top plan view thereof; and,

FIG. 14 is a bottom plan view thereof.

The dot-dash broken lines in the figures represent boundaries of the claimed design and form no part thereof. All other broken lines shown illustrate portions of the audio controller that form no part of the claimed design. 

CLAIM The ornamental design for an audio controller, as shown and described. 